CSCS Mock Test for Supervisors 2026 – CSCS Mock Test | CSCS Revision

This CSCS mock test for supervisors features 55 random questions and answers to help you practice and pass your CSCS supervisor test in 2026. As you would expect, the supervisor test will not be as easy as the operatives test because of the added responsibilities attached to the supervisory role.

Most of the questions in this CSCS supervisor mock test are fairly straightforward, be aware that quite a few questions will require multiple answers and the only way to get a point for that question is by selecting ALL the correct answers.

TIP: if a question seems tricky, try using the elimination method to get rid of the obviously incorrect answers.

Don’t forget to like, share, or comment if you found this CSCS mock test for supervisors useful. The pass mark for this test is 50 out of 55. Good Luck!!!

1. What is the main advantage of using a safety net instead of a harness and fall-arrest lanyard?

Lanyards can easily snap

Safety nets don't need to be inspected

Safety nets provide collective fall protection

Anyone can rig a safety net

Question 1 of 55

2. What is the first thing to consider when work needs to be done inside a confined space?

Options for keeping workers out of the space

The duration of a job

The types of personal protection equipment (PPE) that will be needed

The number of workers needed

Question 2 of 55

3. What should be used to protect people passing by from arc eye if electric welding is about to begin?

COSHH assessment

Screens

Warning signs

Personal protective equipment (PPE)

Question 3 of 55

4. What is the first thing you should consider when choosing access and egress points on a work-site?

Access for heavy vehicles

Access for emergency services

Site security

The availability of off-road parking

Question 4 of 55

5. According to the Work at Height Regulations, the minimum width of a working platform must be____.

4 scaffold boards wide

Suitable and sufficient to carry out the job safely

2 scaffold boards wide

6 scaffold boards wide

Question 5 of 55

6. What does the Beaufort Scale measure?

Air temperature

How much weight a flat roof can safely take

Wind speed

How much weight a scaffold can safely take

Question 6 of 55

7. What item should be regarded as a last resort for a worker’s safety if he/she is working at height?

Mobile access tower

Access tower scaffold

Mobile elevating work platform (MEWP)

Safety harness

Question 7 of 55

8. A permit to work system is used to ___.

Ensure that a job is completed as fast as possible

Ensure that a job is completed using the easiest method available

Ensure that tools and equipment are properly inspected before starting a job

Establish a controlled and safe system of work

Question 8 of 55

9. A written Health and Safety policy is needed when an employer has ____.

less than 5 employees

5 or more employees

1 employee

2 employees

Question 9 of 55

10. According to the Work at Height Regulations, a scaffold inspection report must be given ____ following an inspection.

Within 1 hour

Within 2 hours

Within 24 hours

Within 12 hours

Question 10 of 55

11. What is the first thing you should consider when putting people to work above public areas?

How to prevent complaints from the public

How to inform the public about what is happening

How to prevent anything from falling and hitting people

How to minimize the number of people positioned below the work

Question 11 of 55

12. If a worker tells you they have work-related hand-arm vibration syndrome (HAVS) it should be reported to______.

The worker’s GP

The hospital

The police

The Health and Safety Executive (HSE)

Question 12 of 55

13. When MUST the Health and Safety Executive (HSE) be informed of fatal accidents or dangerous occurrences on-site?

Immediately

Within 30 days

Within 14 days

Within 7 days

Question 13 of 55

14. According to the Construction (Design and Management) Regulations 2015, Which of these MUST be in place before construction work can begin?

The method statement

Construction contract agreement

Construction phase plan

Health and safety file

Question 14 of 55

15. If you’re using an airbag with a control leak rate feature as a fall arrest, you must ensure the inflation pump ___.

Is electrically powered

Is turned off when the airbag is full

Is switched off at regular intervals to prevent over-inflation

Is running at all times while there is work at height

Question 15 of 55

16. What should you do if you notice workers above a safety net are dropping off-cut materials and debris into the net?

Clear the net daily

Ensure the net is cleared and inspected then speak to the workers and ensure it doesn’t happen again

Clear the net weekly

No action needs to be taken - this is normal

Question 16 of 55

17. According to the Construction (Design and Management) Regulations 2015, which of these MUST a worker have before they can start working on-site? (Choose 2 answers)

Information regarding hazards and control measures

Details of the plan of work

A suitable site induction

Confirmation of working hours and breaks

A client brief with details regarding expectations

Question 17 of 55

18. What is the purpose of edge protection?

It secures tools and materials close to the edge

It is used to warn workers when they are close to the edge

It prevents people and materials from falling

It allows a person to work on both sides of the edging

Question 18 of 55

19. Where should an emergency escape route lead?

To an open-aired area

To your site office

To a first-aid room

To a place of safety

Question 19 of 55

20. According to the Construction (Design and Management) Regulations 2015, where will you find arrangements for managing health and safety on a project?

In the health and safety file

In the contract documents

In the risk assessment created by the designer

In the construction plan

Question 20 of 55

21. What is the best way for a supervisor or manager to ensure that a method statement has been fully understood by workers?

Put the method statement on display in a place with high visibility

Explain the method statement to the workers then test their understanding

Place the method statement inside a three-ring binder in the main office

Ensure that every worker has read the method statement

Question 21 of 55

22. The maximum vertical height a fixed ladder can be climbed before requiring an intermediate landing place is ___.

8.5m

7.5m

Question 22 of 55

23. What THREE details must be included in a method statement for working at height? (Choose 3 answers)

The identity of the person supervising the job on site

The amount of insurance coverage required

The cost and time frame for the job

How falls are to be prevented

The sequence of operations and the equipment needed

Question 23 of 55

24. Where should cylinders that contain liquefied petroleum gas (LPG) be stored when they are supplying appliances in a site cabin?

Under the cabin

Outside the cabin

Inside the cabin

In a locked cupboard inside the cabin

Question 24 of 55

25. What are the TWO main things you'll need when carrying out a COSHH assessment for a substance that is being handled for the first time? (Choose 2 answers)

Details of how and where you intend to use the substance

The ages of the workers handling the substance

Your company's safety policy

A delivery note

The safety data sheet

Question 25 of 55

26. Which piece of equipment is used in conjunction with a cable avoidance tool (CAT) to detect cables?

Metal detector

Signal generator

Compressor

Gas detector

Question 26 of 55

27. Which of these is a fall arrest system?

Guardrail and toe board

Mobile access tower

Safety harness and lanyard

Mobile elevating work platform (MEWP)

Question 27 of 55

28. Where is the ideal place to rig a safety net?

Immediately below the work area

2 metres below the work area

At any height below the work area

6 metres below the work area

Question 28 of 55

29. Precautions should be taken to avoid plant, materials and people from falling into an excavation ___.

When the excavation is at least 5m deep

When the excavation is at least 7m deep

When the excavation is at least 10m deep

At all times

Question 29 of 55

30. When is it necessary to fit guard-rails to a working platform?

When it is possible to fall 3 meters

At any height in which a fall can result in an injury

When materials are being stored on a working platform

When it is possible to fall 2 meters

Question 30 of 55

31. According to the Construction (Design and Management) Regulations 2015, how long MUST you keep inspection records?

For three months following an inspection

Only until the end of a project

For three months following the completion of a project

For one week

Question 31 of 55

32. If a prohibition notice is issued by a Health and Safety Executive (HSE) inspector it means that______.

A risk assessment must be carried out then work can continue

Work can continue, but no new work can start after the work at hand is completed

Work can continue if extra safety measures are put into place

Work must stop

Question 32 of 55

33. The minimum height of the main guard-rail on a scaffold should be ____.

875mm

1000mm

950mm

910mm

Question 33 of 55

34. What is the largest size permitted for an unprotected gap between any guard-rail, toe-board, barrier or other similar means of protection on a scaffold?

600mm

470mm

400mm

500mm

Question 34 of 55

35. Which TWO factors should be considered when adding first-aid facilities to a site? (Choose 2 answers)

Cost

A site manager's ability to find time to purchase the necessary equipment

The number of people working at the site at any given time

The availability of space

The specific hazards and risks posed by a project

Question 35 of 55

36. Where can you obtain details regarding the welfare facilities that must be present on a construction site?

From the Construction Design and Management Regulations

From the Control of Substances Hazardous to Health (COSHH)

From the Management of Health and Safety at Work Regulations

From the Workplace Health, Safety and Welfare Regulations

Question 36 of 55

37. What danger is created when too much oxygen is in a confined space?

Increased flammability of combustible materials

An increase in the collective breathing rate of workers

Increased working time inside the confined space

A false sense of security for workers

Question 37 of 55

38. A COSHH assessment tells you how to_____.

Use substances safely

Work safely in a confined space

Assess noise levels properly

Safely lift heavy loads

Question 38 of 55

39. What should a supervisor do if a scaffold is not complete?

Tell workers not to use the scaffold

Ensure warning signs are in place and warn workers to take care when working on the scaffold

Prevent access to the scaffold and ensure warning signs are in place

Ensure the scaffolders finish the job

Question 39 of 55

40. What is the purpose of the health and safety file that is given to a client once a project is completed?

The file will be helpful for people who carry out future work on the structure

The file records the safety statistics of a project

The file helps to prepare the final accounts for a structure

The file will help to record the health and safety standards of the structure

Question 40 of 55

41. What precaution needs to be taken to ensure that a dumper that is tipping materials into an excavation does not fall in?

Dumper drivers should use proper judgement for determining the distance between the vehicle and the excavation

Stop blocks that are appropriate for the size of the vehicle should be provided

Cones or signs should be in place to designate a safe tipping point

Dumpers should be kept at least 5m away from the excavation

Question 41 of 55

42. Which source of information would be the least reliable when assessing the vibration levels of a powered hand tool?

Real-time vibration measurements

Your judgement based on experience

Vibration figures taken from the manufacturer's handbook

Vibration data taken from the Health and Safety Executive (HSE) master list

Question 42 of 55

43. How many people must be employed before it becomes necessary to record the significant findings of risk assessments?

At least two

Five or more

At least one

At least three

Question 43 of 55

44. Why is it dangerous to leave someone in a harness for too long after they have fallen?

The worker in the harness could lose consciousness or suffer further injury

It creates a distraction for other workers

The anchorage point could fail

The worker in the harness may try to climb up the structure again

Question 44 of 55

45. According to the Construction (Design and Management) Regulations 2015, which of these MUST be provided before construction work can start, and also maintained until the work finishes?

Adequate parking facilities

Adequate welfare facilities

A safety log

A premises log

Question 45 of 55

46. Where should a sign specifying the number of people allowed on a passenger hoist be displayed?

On a legible notice in the site welfare area

On a notice that is displayed during the site induction

On a notice that is handed to the hoist operator

On a legible notice inside the cage of the hoist

Question 46 of 55

47. You need to use inflatable airbags to protect a small area, why is it dangerous to use airbags that are larger than the area that needs to be protected?

The airbags could exert sideways pressure on anything that is containing them

The airbags may not inflate fully

The airbags could burst from pressure

The inflation pump could become overloaded

Question 47 of 55

48. According to the Construction (Design and Management) Regulations 2015, what MUST a worker have if a contractor puts that worker on a construction site?

The right qualifications

Hardhat, high-visibility clothing and safety footwear

The right skills, knowledge and training

A relevant competency card

Question 48 of 55

49. According to the Work at Height Regulations, a competent person must inspect a working platform___.

After it has been erected, then once every 7 days

After it has been erected, then once a month

After it has been erected, then once every 14 days

Only once after it has been erected

Question 49 of 55

50. How should cylinders that contain liquefied petroleum gas (LPG) be stored?

Under a tarpaulin to keep it away from direct sunlight

In a locked cage that's at least 3 meters away from cylinders containing oxygen

Inside secure storage containers at the back of the site

In a locked cellar that features clear warning signs

Question 50 of 55

51. According to the Construction (Design and Management) Regulations 2015, Which of the following MUST be in place before demolition work can begin?

A health and safety file

A risk assessment for demolition

A pre-tender health and safety plan

Written arrangements for the demolition

Question 51 of 55

52. Which significant hazard do workers face when excavating next to a building or structure?

Weakening the foundation of the building or structure

Excessive vibration

Excessive noise

Damaging the surface of the building or structure

Question 52 of 55

53. To check if a RCD connected to a power tool is working correctly you should:

Try running the tool at top speed to see if it cuts out

Press the test button on the RCD

Switch the tool on and off

Switch the power on and off

Question 53 of 55

54. How should access be handled when workers are working in a riser shaft?

A security operative should be in charge of access

Access should be controlled by the main contractor

Workers should handle access

A permit-to-work system should determine access

Question 54 of 55

55. Why should you use a RCD with 230 volt tools?

It allows the tools run at a higher speed

Because it cuts off the power quickly if there’s a fault

Because it reduces energy consumption and lowers cost

It allows the tools to run at a safe speed

Question 55 of 55